| 1 | H&BT | Huntington & Broad Top Mountain R.R. & Coal Co. | 1/1941-7/1954 | | NAKINA |
| 2 | H&BT | HUNTINGTON & BROAD TOP MOUNTAIN RAILROAD & COAL CO. | | | PWRC |
| 3 | H&BV | Houston & Brazos Valley Ry. (Co.) | 7/1923-7/1954 | | NAKINA |
| 4 | H&BV | Houston & Brazos Valley Ry. | 4/38-1/52 | | NRHS |
| 5 | H&BV | HOUSTON & BRAZOS VALLEY RWY. CO. | | | PWRC |
| 6 | H&BY | Houston & Brazos Valley Ry. | 8/1920 | | NAKINA |
| 7 | H&BY | HOUSTON & BRAZOS VALLEY RWY. CO. | | | PWRC |
| 8 | H&SW | Halifax and Southwestern Ry. (Canadian National Rys.) | 8/1920-7/1923 | | NAKINA |
| 9 | H&SW | CANADIAN NATIONAN RAILWAY [HALIFAX & SOUTHWESTERN RWY.] | | | PWRC |
| 10 | H&TC | Houston & Texas Central R.R. | 4/1938-7/1954 | | NAKINA |
| 11 | H&TC | Houston & Texas Central R.R. (Southern Pacific Lines in Texas and Louisiana) | 7/1932-7/1936 | | NAKINA |
| 12 | H&TC | Houston & Texas Central R.R. (Southern Pacific Lines in Texas and Louisiana/Southern Pacific Lines West of Portland, Ogden, El Paso and Tucumcari) | 7/1930 | | NAKINA |
| 13 | H&TC | Houston & Texas Central R.R. (Southern Pacific Lines in Texas and Louisiana) | 8/1920-7/1923 | | NAKINA |
| 14 | H&TC | Houston & Texas Central R.R. | 4/38-1/52 | | NRHS |
| 15 | H&TC | HOUSTON & TEXAS CENTRAL RAILROAD (SOUTHERN PACIFIC LINES IN TEXAS & LOUISIANA) | | | PWRC |
